Kistler 9329A Instruction Manual

Reaction torque sensors
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Instruction
manual
Reaction torque
sensors
Types 9329A, 9339A,
9349A, 9369A,9389A
9329A_002-267e-12.23

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Summary of Contents for Kistler 9329A

  • Page 1 Instruction manual Reaction torque sensors Types 9329A, 9339A, 9349A, 9369A,9389A 9329A_002-267e-12.23...
  • Page 3 Information in this document is subject to change without notice. Kistler reserves the right to change or improve its products and make changes in the content without obligation to notify any person or organization of such changes or improvements.
  • Page 4: Table Of Contents

    Repairing the reaction torque sensor ....................36 Technical data ............................37 Reaction torque sensors Type 9329A ... 9389A ................37 Dimensions reaction torque sensor Type 9329A ... 9389A .............. 38 Accessories included ........................39 Optional accessories ........................40 Page 2...
  • Page 5 Content Annex ................................. 41 10.1 Glossary ............................41 10.2 Measurement uncertainty ........................ 44 10.3 Linearity ............................45 10.4 Frequency range ..........................47 10.5 Influence of temperature ........................48 Index ................................50 Total pages 51 9329A_002-267e-12.23 Page 3...
  • Page 6: Introduction

    Please take the time to thoroughly read this instruction manual. It will help you with the installation, maintenance, and use of this product. Kistler offers a wide range of products for use in measuring technology: Piezoelectric sensors for measuring force, torque, strain, ...
  • Page 7: Important Notes

    Important notes 2. Important notes It is essential for you to study the following notes, which are for your personal safety during work, and to ensure long term, fault-free operation of this product. For your safety This product has been thoroughly tested and has left the ...
  • Page 8: Unpacking

    Reaction torque sensors Type 9329A, 9339A, 9349A, 9369A, 9389A Unpacking Check all packaging for transport damage. Report any such damage to the transporters and to the authorized Kistler distrib- utor. Check accessories delivered (see Section 9.3) before first use of the equipment. Report any missing parts to the authorized Kistler distributor.
  • Page 9: Hints On Using These Operating Instructions

    We recommend you to read the entire operating instructions carefully. However, if you are in a hurry and already have expe- rience with Kistler Reaction Torque Sensors, you can confine yourself to reading the specific information needed. We have attempted to give these instructions a clear presenta- tion to make it easier for you to gain direct access to the infor- mation you need.
  • Page 10: General Description

    Reaction torque sensors Type 9329A, 9339A, 9349A, 9369A, 9389A 3. General description What is the purpose of the reaction torque sensor? Reaction torque sensors are used to measure dynamic and quasistatic torques. The main areas of application are: Calibration Calibration of manual torque wrenches ...
  • Page 11: Construction And Functional Principle Of The Reaction Torque Sensor

    General description Construction and functional principle of the reaction torque sensor The special, patented construction of Kistler reaction torque sensors is distinguished by the fact that the sensor is integrated under high axial preload between a preload screw and a nut.
  • Page 12: Examples Of Applications

    Reaction torque sensors Type 9329A, 9339A, 9349A, 9369A, 9389A 4. Examples of applications Calibration of a stationary torque measuring screwdriver A pneumatic screwdriver with integrated torque sensor is cali- brated with a reaction torque sensor. Two measuring chains consisting of Torque sensor Type 9039A (to be calibrated) ...
  • Page 13: Calibration Of Torque Wrenches

    Examples of applications Calibration of torque wrenches Measuring chain consisting of Reaction torque sensor Types 9329A ... 9389A  on mounting flange Types 9580A0 ... 9580A9 Connecting cable Type 1631C…  Charge amplifier Type 5015A  Adapter Type 1631C... Mounting flange Type 9580A0 ...
  • Page 14: Torque Testing Of Potentiometers

    Reaction torque sensors Type 9329A, 9339A, 9349A, 9369A, 9389A Torque testing of potentiometers Automated testing of the torque as a function of rotary angle of po- tentiometers at an automobile suppliers. Measuring chain consisting of Reaction torque sensor Type 9339A ...
  • Page 15: Torque Testing Of Ignition Switches

    Examples of applications Torque testing of ignition switches Reaction torque sensor in a system for testing the torque char- acteristics of ignition switches over the entire rotary angle range. Fig. 6: Testing ignition switches 9329A_002-267e-12.23 Page 13...
  • Page 16: Installation And Startup

    Reaction torque sensors Type 9329A, 9339A, 9349A, 9369A, 9389A 5. Installation and startup Important notes The reaction torque sensors Type 9329A … 9389A are preci- sion instruments whose specifications can be fully utilized only when they are correctly used, and remain so only when handled carefully.
  • Page 17 In this event, the reaction torque sen- sor must again be properly preloaded and recalibrated! Tightening torques M for cap screws  Type 9329A M3x8 = 1 N·m Type 9339A M4x10 = 2 N·m...
  • Page 18: Overview Of Installation Variants

    Reaction torque sensors Type 9329A, 9339A, 9349A, 9369A, 9389A Overview of installation variants Installation in shaft with Installation in shaft with Installation in shaft with adapter for shaft journal adapter flange integrated flange with pin Shaft installation Reaction torque Reaction torque...
  • Page 19: Adaptation A: Installation In Shaft With Adapter For Shaft Journal With Pin

    Installation and startup 5.3.1 Adaptation A: installation in shaft with adapter for shaft journal with pin Adapter for shaft journal with Installation clearance S Pinned during installation Centering rings (included accessories) Adapter for cylinder bore recess with pin Pinned during installation Customized tool adapter Fig.
  • Page 20 Reaction torque sensors Type 9329A, 9339A, 9349A, 9369A, 9389A Centering rings (Art.-No. 3.420.196/179/180/181/197) press  into the centering bores on the reaction torque sensor up to the mechanical limit stop. Tightening torques M for socket head screws  Type 9329A M3x8 = 1 N·m...
  • Page 21: Adaptation B: Installation In Shaft With Adapter Flange

    Installation and startup 5.3.2 Adaptation B: installation in shaft with adapter flange Customized centering ring (g6) Adapter flange for flat mounting in shaft Installation clearance S Customized centering ring (g6) Fig. 11: Installation example B Torque [N·m] Applied via adapter flange for flat mounting in a shaft. Compression force [N] Transverse force [N] This "disturbance force"...
  • Page 22 Reaction torque sensors Type 9329A, 9339A, 9349A, 9369A, 9389A Centering rings (customized, fit g6) press into the center-  ing bores on the reaction torque sensor up to the mechanical limit stop. Centering bore in shaft, fit H7. Tightening torques M for socket head screws ...
  • Page 23: Adaptation C: Installation In Shaft With Integrated Flange

    Installation and startup Adaptation C installation in shaft with integrated flange 5.3.3 Installation clearance S Centering pin g6 on customized shaft Installation clearance S Fig. 12: Installation example C Torque [N·m] Applied via shaft with integrated flange and centering pin. Compression force [N] Transverse force [N] This "disturbance force"...
  • Page 24 Reaction torque sensors Type 9329A, 9339A, 9349A, 9369A, 9389A Tightening torques M for socket head screws  Type 9329A M3x8 = 1 N·m Type 9339A M4x10 = 2 N·m Type 9349A M5x12 = 4 N·m Type 9369A M8x20 = 21 N·m...
  • Page 25: Adaptation D: Adapter Flange For Wrenches With External Square Head

    Installation and startup 5.3.4 Adaptation D: adapter flange for wrenches with external square head Centering rings Installation clearance S (included accessories) Mounting flange Type 9580A… (optional accessories) Fig. 13: Installation example D Torque [N·m] Applied via an internal square adapter for wrenches, e.g. for external square head DIN3120/3121 Compression force [N] Transverse force [N]...
  • Page 26 Reaction torque sensors Type 9329A, 9339A, 9349A, 9369A, 9389A Centering rings (Art.-No.3.420.196/179/180/181/197) press  into the centering bores on the reaction torque sensor up to the mechanical limit stop. Tightening torques M for socket head screws  Type 9329A M3x8 = 1 N·m...
  • Page 27: Adaptation E: Screw Plate With Spring Assembly

    Installation and startup 5.3.5 Adaptation E: screw plate with spring assembly Test screw Spring assembly Customized screw plate Centering rings Installation clearance S (included accessories) Customized mounting plate Fig. 14: Installation example E Torque [N·m] Applied via test screw onto spring assembly. Compression force [N] Transverse force [N] This "disturbance force"...
  • Page 28 Reaction torque sensors Type 9329A, 9339A, 9349A, 9369A, 9389A Centering rings (Art.-No. 3.420.196/179/180/181/197) press  into the centering bores on the reaction torque sensor up to the mechanical limit stop. Tightening torques M for socket head screws  Type 9329A M3x8 = 1 N·m...
  • Page 29: Adaptation F: Desktop Installation With Mounting Flange

    Installation and startup 5.3.6 Adaptation F: desktop installation with mounting flange Installation clearance S Centering ring (included accessories) Mounting flange Type 9580A.. (optional accessories) Fig. 15: Installation example F Torque [N·m] Applied via standard flange adaptation Compression force [N] Transverse force [N] This "disturbance force"...
  • Page 30 Reaction torque sensors Type 9329A, 9339A, 9349A, 9369A, 9389A Centering rings (Art.-No. 3.420.196/179/180/181/197) press  into the centering bores on the reaction torque sensor up to the mechanical limit stop. Tightening torques M for socket head screws  Type 9329A M3x8 = 1 N·m...
  • Page 31: Basic Circuitry And Connections For The Measuring Chain

    Installation and startup Basic circuitry and connections for the measuring chain When the applied torque changes, the reaction torque sensor produces an electric charge. The charge signal is con- verted into a proportional output voltage by the charge amplifier, which can then be measured and recorded by an electronic evaluation system.
  • Page 32: Operation

    Reaction torque sensors Type 9329A, 9339A, 9349A, 9369A, 9389A 6. Operation Charge amplifier settings For reaction torque sensors Type 9329A … 9389A, we recommend that you use a charge amplifier with sensitivity adjustment (e.g. Type 5015A...). Please consult the relevant op- erating instructions for details concerning the settings for the charge amplifier.
  • Page 33: Measuring Signal Resolution

    Operation Measuring signal resolution Resolution is the smallest possible change to the measurand which can be measured by the system. It is determined by the signal/noise ratio signal output charge amplifier. For laboratory charge amplifiers, the resolution at the highest gain is typically. 0,01 ±...
  • Page 34: Sensitive Measurement Under High Basic Load

    Reaction torque sensors Type 9329A, 9339A, 9349A, 9369A, 9389A A measurement of 10 minutes duration therefore results in a drift of: − N·m/s 0,23 N·m ⋅ ⋅ This absolute error is viewed in relation to the measured value; example, with N·m...
  • Page 35 Operation Start the measurement with <Operate>. The fluctuations of can now be measured with high resolution, since the dy- namic threshold is ≈0,6 mN·m. This means that a ∆M of 0,6 mN·m will produce an output voltage of ≈600 mV (scaling 1 mN·m/V).
  • Page 36: Hints For Obtaining Good Measuring Results

    Reaction torque sensors Type 9329A, 9339A, 9349A, 9369A, 9389A Hints for obtaining good measuring results Always store the measuring instruments in the same room  in which the measurements are made. Leave the connecting cable permanently connected to both ...
  • Page 37: Maintenance

    Maintenance 7. Maintenance The reaction torque sensor Types 9329A … 9389A are reliable instruments requiring practically no maintenance. Please study the following two sections carefully to ensure long and reliable operation. Recalibration The reaction torque sensors are calibrated before delivery. Re- calibration will be necessary, for example, after an uncontrolled overload.
  • Page 38: Troubleshooting

    Reaction torque sensors Type 9329A, 9339A, 9349A, 9369A, 9389A 8. Troubleshooting Location of faults and remedies Below is a list of frequently occurring problems with information on how to remedy them. If you cannot cure the fault, please contact your Kistler distributor.
  • Page 39: Technical Data

    Technical data 9. Technical data Please note that all technical data and information are subject to change at any time without prior notification. Reaction torque sensors Type 9329A ... 9389A Reaction torque sensor Type 9329A 9339A 9349A 9369A 9389A Measuring range N·m...
  • Page 40: Dimensions Reaction Torque Sensor Type 9329A

    Reaction torque sensors Type 9329A, 9339A, 9349A, 9369A, 9389A Dimensions reaction torque sensor Type 9329A ... 9389A Fig. 17: Type 9329A Fig. 18: Type 9339A ... 9389A with connector protection Fig. 19: Type 9389A Dimensions in mm Type  9329A...
  • Page 41: Accessories Included

    Technical data Accessories included Ordering key Type/Art. No. Scope of delivery including accessories Reaction torque sensor Type 9329A 2 x centering ring 3.420.196  Reaction torque sensor Type 9339A Connector protection 3.414.366  2 x centering ring 3.420.179  Reaction torque sensor Type 9349A Connector protection 3.414.366...
  • Page 42: Optional Accessories

    Reaction torque sensors Type 9329A, 9339A, 9349A, 9369A, 9389A Optional accessories Ordering key Type Connecting cable KIAG 10-32 pos. – BNC pos. Length 0,5 m 1631C 1631C2 1631C5 10 m 1631C10 20 m 1631C20 Extension cable BNC neg. - BNC pos.
  • Page 43: Annex

    Kistler special cables and Kistler charge amplifiers are used. Calibrated measuring range Measuring range or part of the measuring range for which the sensor has been calibrated. Because of the high linearity of quartz crystal sensors, the sensitivity of a measuring range can usually also be used for smaller measuring ranges.
  • Page 44 Reaction torque sensors Type 9329A, 9339A, 9349A, 9369A, 9389A Disturbance Forces, moments and environmental influences acting on the sensor such as the temperature, which the sensor does not measure as a measurand and which produce an output signal (error). Example: when an additional bending moment acts on a force sensor.
  • Page 45 See "Coulomb". piezoelectric Characteristic of quartz crystals in which mechanical loading produces a proportional electric charge. quasistatic Describes the ability of Kistler sensors and charge amplifiers to undertake short-term measurements or DC-similar measure- ments. Range see "Measuring range" Scaling Output voltage per unit of the measurand at the analog or moni- tor output of a charge amplifier.
  • Page 46: Measurement Uncertainty

    Reaction torque sensors Type 9329A, 9339A, 9349A, 9369A, 9389A 10.2 Measurement uncertainty Systematic errors, accuracy Accuracy is the extent of the conformity between a measured value and a true value of the measurand. In a piezoelectric measuring chain it is determined by many systematic errors, e.g.
  • Page 47: Linearity

    Errors due to zero drift caused by in- fluence quantities changing with time, such as the temperature, are thus basically excluded. With Kistler piezoelectric measuring chains, a typical repeatability within 0,1 % FSO can be assumed. 10.3 Linearity...
  • Page 48 Reaction torque sensors Type 9329A, 9339A, 9349A, 9369A, 9389A Best straight line – mathematical definition The minimization of maximum deviation is known as Cheby- shev’s approximation. The best straight line is determined as follows: x = measurand (reference)  Q = sensor charge signal or output signal from the charge ...
  • Page 49: Frequency Range

    Annex 10.4 Frequency range Because of their mechanical quality, piezoelectric sensors have very damping. useful frequency range limited in the upwards direction by the increasing resonance rise. Key: Measuring frequency Natural frequency Amplitude ratio The following approximate values apply to the amplitude error or achievable accuracy as a function of frequency: Accuracy 10 % ...
  • Page 50: Influence Of Temperature

    Reaction torque sensors Type 9329A, 9339A, 9349A, 9369A, 9389A thus ideal for measuring measurands which change rapidly over time. Their dynamic behavior is thereby largely determined by the surrounding structure. Therefore the frequency response of the entire measuring arrangement must be investigated for the largest possible, useful measuring range.
  • Page 51 Annex Temperature gradient error (dynamic error) A temporary change in the output signal is denoted as tempera- ture gradient error, when the temperature of the environment or surrounding medium changes with a certain rate. In this case, the sensor is not in thermal equilibrium with the environment. The temperature gradient error is primarily determined by the installation conditions and the application, and cannot be gen- erally specified.
  • Page 52: Index

    Reaction torque sensors Type 9329A, 9339A, 9349A, 9369A, 9389A 11. Index FSO ............... 44 Accessories ............42 Accessories included ..........41 Ground insulation ..........44 Accuracy ............46, 49 Adaptation ............. 16 Application ............... 8 help ................. 4 Hints ................ 7 Hysteresis ............
  • Page 53 Index Reproducibility ............46 Resonance frequency ........... 49 Technical Data ............39 Rigidity ............39, 50 Temperature coefficient ........45, 51 Roughness ............14 Temperature error ..........50 Temperature gradient error ........51 Tensile pressure ............ 14 Safety ..............5 Threshold ............

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